Question: Which is the polyatomic anion for the conjugation acid of phenol?
Paraphrase: In the conjugation acid of phenol, what is the polyatomic anion?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P4147 wd:Q130336 . ?sbj wdt:P31 wd:Q55511438 } 
Answer: phenolate